METHOD OF DIRECTED TREE FELLING AND DEVICE FOR IMPLEMENTATION METHOD Russian patent published in 2012 - IPC A01G23/08 

FIELD: agriculture.

SUBSTANCE: at completion of sawing at the beginning of tree falling the tree is imparted a rotary motion about its longitudinal axis through the action of the cutting force and the friction force at the end of sawing with the possibility of laying the cut tree on the ground at an angle of 10 to 30° towards the longitudinal axis of the felling machine. Tree sawing is carried out as low as possible almost flush with the ground. The device for implementation the method comprises a flexible cutting chain of the saw body with sleeve-type cutters with a circular cutting edge.

EFFECT: non-clamping sawing and directed felling of trees on the ground.

2 cl, 3 dwg